[codex] add Open WebUI to project suggestions

[Sean-Kenneth-Doherty]

Summary

• add Open WebUI to the project suggestions list
• link the card to the Open WebUI GitHub contributor page
• include GitHub avatar, concise description, and searchable language/topic tags

Validation

• GitHub API reports open-webui/open-webui is public, unarchived, and on main
• https://github.com/open-webui/open-webui/contribute returns HTTP 200
• https://avatars.githubusercontent.com/u/158137808?v=4 returns HTTP 200
• open-webui/open-webui has open good first issue-labeled issues
• git diff --check
• GITHUB_TOKEN=$(gh auth token) pnpm build
• generated dist/index.html contained the Open WebUI card and contributor link before restoring generated files

Addresses #1

[Sean-Kenneth-Doherty]

Validated locally on head 1744ae70571b42537dc80822aedf599007040e5b in an isolated worktree:

• gh api repos/open-webui/open-webui --jq ... confirmed the repo is public, unarchived, on main, with open issues
• gh issue list --repo open-webui/open-webui --label "good first issue" --state open --limit 3 --json number,title --jq "length" returned 3
• curl -L returned HTTP 200 for https://github.com/open-webui/open-webui/contribute
• curl -L returned HTTP 200 for https://avatars.githubusercontent.com/u/158137808?v=4
• pnpm install --frozen-lockfile
• GITHUB_TOKEN=$(gh auth token) pnpm build
• rg confirmed the generated dist/index.html included the Open WebUI card and contributor link before generated files were restored
• git diff --check origin/main...HEAD && git diff --check

All passed. gh pr checks reports no hosted checks on this branch.

[Sean-Kenneth-Doherty]

Closing this to reduce maintainer review noise from my project-suggestion-only PR batch. I am pruning these so the queue can focus on concrete bug, security, accessibility, and performance fixes.